Triple the collagen, triple the glow. Fortified by 1000x collagen to revitalize and moisturize skin. Get the perfect skin that glows from the inside with Glass Glow DuoGlass Glow Duo contains Triple Collagen Complex absorbs into skin for deep hydration from within (collagen, elastin, hyaluronic acid). Collagen maintains skin structure. It makes up about 70-80% of the human dermis and is what keeps skin plump and supple. Supply skin with collagen to maintain long lasting skin suppleness and glow. Glass Glow Duo contains hydrolyzed collagen, atelo collagen, soluble collagen that penetrates faster and deeper into skin barrier, hydrating skin from the inside out. *TIPS!For relieving oily or sensitive skin, we suggest you to have a look at either our Red Line or the Zero Line.